package com.mercury.user.service;

import com.mercury.user.entity.CenterMall;
import com.baomidou.mybatisplus.extension.service.IService;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author tong
 * @since 2021-11-22
 */
public interface CenterMallService extends IService<CenterMall> {

    Boolean exchangeItem(String useId, int itemId);
}
